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Question- Vitamin A is a compound containing the elements C, H, and O. When a 28.64 mg sample of Vitamin A was burned in oxygen, it was found that 88.02 mg of CO2 and 27.03 mg of H2O were formed.
Determine the percent composition (C, H and O) for vitamin A?
Determine the empirical and molecular formula of Vitamin A. The molar mass of vitamin A is 286 g/mole
Any expert is able to provide answer for this problem in very short time
Three 5.00mL samples of this solution are titrated with DCP that had a standardized concentration of 9.94x10-4M. The three titrations took an average of 27.51mL of DCP. (MM Ascorbic Acid = 176.124 g/mol) Calculate the mass (in mg) in the vitamin C ..
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when a student performs an experiment using this method he notices when he removes the flask with the sample from the
a 4.5 g sample of LiCl at 25 C dissolves in 25 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C. What is the enthalpy of solution.
While in Europe, if you drive 105 km per day, how much money would you spend on gas in one week if gas costs 1.10 rm euros per liter and your car's gas mileage is 41.0 mi/gal? Assume that 1; rm euro = 1.26; dollars.
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